Finding the Fourth Proportional to 1,257,474.56, 1,735,315.08 and 684,519.08
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Solution
The fourth proportional to 1,257,474.56, 1,735,315.08 and 684,519.08 is: 944,636.43
Step by Step Solution
- Step 1: Write the proportion equation
1,257,474.56 : 1,735,315.08 = 684,519.08 : x - Step 2: Convert to fraction form
1,257,474.56/1,735,315.08 = 684,519.08/x - Step 3: Cross multiply
1,257,474.56x = 1,735,315.08 × 684,519.08 - Step 4: Simplify right side
1,257,474.56x = 1,187,856,282,071.73 - Step 5: Solve for x
x = 1,187,856,282,071.73/1,257,474.56 - Step 6: Final answer
x = 944,636.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.